bumblebee X normal breeding projects?

hello all, just wanted to see if anyone has ever bred a bumblebee male to there normal females? if so what were your odds, i have 3 adult females im thinking about breeding my bumblebee too but not sure if it's worth it...

Theoretical results are:

25% Normals
25% Bumblebees
25% Pastels
25% Spiders

I'd say that's worth it!!